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State bridges

The State Bridges component of the SHR subprogram deals with
improvements to bridges on the non-Interstate portion of the state
highway system, including bridge replacements and major bridge
repair. Bridge rehabilitation generally increases load-carrying
capacity and widens deck roadways.

The program does not include bridges that can be effectively
treated through routine repair, which is funded in the maintenance
program.

The types of improvement are categorized as:

Replacement: constructing a new bridge to replace an
existing deteriorated one.

Rehabilitation: restoring the structural integrity of an
existing bridge by using less extreme measures than
replacement—usually deck replacement or overlay.

State Highway Rehabilitation - Large Bridge

"State Highway Rehabilitation - Large Bridges" are those with a
deck area of 40,000 square feet or more. Objective indices are
developed for each factor on all candidate bridges and priorities
are set. The results are then analyzed and reviewed by engineering
staff and a management team. The Highways Programming Committee
evaluates high cost bridges by using information gathered by
regional staff and recommends candidate bridges by assigning
priorities based on:

structural and functional adequacy

economic feasibility

intangible considerations such as community, environmental
and economic impacts

State Highway Rehabilitation - Bridge

"State Highway Rehabilitation - Bridges" (decks are less than
40,000 square feet) are evaluated, selected and scheduled directly
by the transportation regions. When evaluating candidate bridge
projects, regions assign a general order of priority to:

bridges that are closed or posted

bridges that are structurally deficient (becoming unsafe)
and not treatable by routine maintenance or are likely to become
unsafe in the six-year period

bridges that are functionally obsolete (i.e., have narrow
roadways, restricted clearances or poor alignment), and are
likely to become structurally deficient within the six-year
period

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SSI - Project contacts
Questions about the content of this page:
Bureau of State Highway Programs,
bshp.dtim@dot.wi.gov
Last modified: October 14, 2014

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